Mercurial > hg > rlgwebd

annotate sqlickrypt.c @ 17:d3e3d6b4016b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
rlgwebd: switch to dgamelaunch's SQLite database. The quickrypt utility is replaced with sqlickrypt, which takes a username and password pair and checks them against the SQLite password database used by dgamelaunch. This will be more extensible to using rlgwebd to register, change passwords, etc.
author John "Elwin" Edwards <elwin@sdf.org>
date Sun, 20 May 2012 15:52:07 -0700
parents
children 59ea628abb81
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
17
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
1 #include <stdio.h>
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
2 #include <stdlib.h>
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
3 #include <string.h>
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
4 #include <ctype.h>
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
5 #include <sqlite3.h>
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
6 #include <unistd.h>
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
7 #include <crypt.h>
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
8
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
9 #define DATABASE "/dgldir/dgamelaunch.db"
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
10
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
11 int xcallback(void *targ, int ncols, char **vals, char **colnames) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
12 char *pws;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
13 int j;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
14 pws = *((char **) targ);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
15 if (pws == NULL) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
16 for (j = 0; j < ncols; j++) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
17 if (!strcmp(colnames[j], "password"))
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
18 *((char **) targ) = strdup(vals[j]);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
19 }
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
20 }
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
21 /* Otherwise, this isn't the first row. */
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
22 return 0;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
23 }
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
24
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
25 int main(int argc, char *argv[]) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
26 char ibuf[160], *uname, *pw, *pwhash = NULL, *comphash;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
27 char finduser_sql[160];
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
28 char *cptr; // Utility pointer
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
29 sqlite3 *db;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
30 int status;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
31
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
32 /* Read in the username and password */
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
33 fgets(ibuf, 160, stdin);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
34 uname = ibuf;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
35 pw = strchr(uname, '\n');
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
36 if (pw == NULL)
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
37 exit(4); /* Truncated */
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
38 *pw = '\0';
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
39 pw++;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
40 fgets(pw, 160 - (pw - ibuf), stdin);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
41 if (pw[strlen(pw) - 1] == '\n')
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
42 pw[strlen(pw) - 1] = '\0';
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
43 else
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
44 exit(4); /* Truncated */
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
45 /* Sanitize the username, because it gets put into a query. */
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
46 for (cptr = uname; *cptr != '\0'; cptr++) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
47 if (!isalnum(*cptr)) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
48 exit(4);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
49 }
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
50 }
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
51 /* Construct the query */
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
52 strcpy(finduser_sql, "SELECT * FROM dglusers WHERE username='");
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
53 strncat(finduser_sql, uname, 40);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
54 strcat(finduser_sql, "';");
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
55
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
56 status = sqlite3_open(DATABASE, &db);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
57 if (status) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
58 sqlite3_close(db);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
59 return 1;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
60 }
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
61 sqlite3_exec(db, finduser_sql, xcallback, (void *) &pwhash, NULL);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
62
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
63 sqlite3_close(db);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
64
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
65 /* Now check the password. */
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
66 if (pwhash == NULL) {
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
67 return 2;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
68 }
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
69 comphash = crypt(pw, pwhash);
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
70 if (!strcmp(pwhash, comphash))
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
71 return 0;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
72 return 1;
d3e3d6b4016b rlgwebd: switch to dgamelaunch's SQLite database.
John "Elwin" Edwards <elwin@sdf.org>
parents:
diff changeset
73 }